LCD Displays: LTM190E1-L01 and LTM190E4-L02
This analysis compares the key parameters of the Samsung LCD modules LTM190E1-L01 and LTM190E4-L02 based on data from Shunlongwei Co., Ltd.
Common Specifications
| Parameter | LTM190E1-L01 | LTM190E4-L02 |
|---|---|---|
| Screen Size | 19.0 inches | 19.0 inches |
| Resolution | 1280 (RGB) × 1024 (SXGA) | 1280 (RGB) × 1024 (SXGA) |
| Display Type | a-Si TFT-LCD | a-Si TFT-LCD |
| Aspect Ratio | 5:4 | 5:4 |
| Active Area | 376.32 × 301.056 mm | 376.32 × 301.056 mm |
| Outline Dimensions | 396 × 324 × 17 mm | 396 × 324 × 17 mm |
| Interface | LVDS | LVDS |
| Backlight | 4 pcs CCFL | 4 pcs CCFL |
| Surface Treatment | Antiglare (Haze 44%), Hard coating (3H) | Antiglare (Haze 44%), Hard coating (3H) |
| Power Supply | 5.0V (Typ.) | 5.0V (Typ.) |
| Operating Temperature | 0 ~ 50 °C | 0 ~ 50 °C |
| Storage Temperature | -20 ~ 60 °C | -20 ~ 65 °C |
Distinctive Specifications
| Parameter | LTM190E1-L01 | LTM190E4-L02 |
|---|---|---|
| Brightness | 300 cd/m² | 250 cd/m² |
| Contrast Ratio | 1000:1 | 1500:1 |
| Viewing Angle | 85/85/80/80 (CR≥10) | 89/89/89/89 (CR≥10) |
| Response Time | 20 ms | 13/7 ms (Tr/Td) |
| Display Colors | 16.7M (8-bit) | 16.7M (8-bit) |
| Weight | 2.55 kg | 2.55 kg |
| Frame Rate | 60Hz | 60Hz, 120Hz (60Hz Input), 240Hz (60Hz Input) |
| Designed For | Desktop Monitor | Desktop Monitor |
Detailed Analysis
Brightness and Contrast
- LTM190E1-L01: This model features a brightness of 300 cd/m² and a contrast ratio of 1000:1. These specifications are suitable for most standard lighting conditions but might not perform as well in extremely bright environments.
- LTM190E4-L02: With a slightly lower brightness of 250 cd/m² but a significantly higher contrast ratio of 1500:1, this module excels in providing deeper blacks and more vivid colors.
Viewing Angle and Response Time
- LTM190E1-L01: Offers a viewing angle of 85/85/80/80 and a response time of 20 ms, making it adequate for general usage but not ideal for high-speed applications.
- LTM190E4-L02: This model improves on viewing angles with 89/89/89/89 and has a much faster response time of 13/7 ms (Tr/Td), making it better suited for applications requiring rapid image updates and wide viewing perspectives.
Frame Rate and Advanced Features
- LTM190E1-L01: Operates at a standard 60Hz frame rate, which is sufficient for most desktop applications.
- LTM190E4-L02: Supports 60Hz, with options for 120Hz and 240Hz through embedded MEMC circuits, providing smoother motion and better performance for video and high-refresh applications.
Interchangeability and Applications
Interchangeability:
- Mechanical Compatibility: Both models have the same physical dimensions and mounting interface, making them mechanically interchangeable in most installations.
- Electrical Compatibility: Both use the LVDS interface, but the LTM190E4-L02 has additional features like higher frame rates and a wider viewing angle that might require consideration in certain applications.
Application Suitability:
- LTM190E1-L01: Suitable for standard desktop monitors and industrial applications where higher brightness is more important than contrast and response time.
- LTM190E4-L02: Ideal for high-end monitors, applications requiring wide viewing angles, fast response times, and enhanced contrast ratios. It is especially suitable for video and graphical applications where motion smoothness is crucial.
In conclusion, while both LCD modules can serve similar functions, the LTM190E4-L02 is preferred for high-performance needs due to its enhanced specifications. For standard applications, the LTM190E1-L01 remains a viable option.